Test E3 on High-Energy Transient Meltdown of Irradiated UO₂ in a TREAT Mark-II Loop

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Description

Three ''gassy'' irradiated uranium dioxide pins were run past failure in a 35-ms natural TREAT transient in TREAT loop Test E3 to guide in choosing between two modeling assumptions regarding energy conversion from sodium vaporization in an irradiated-oxide-fuel/coolant interaction (FCI): (1) The trapped fission gas enhances fuel fragmentation upon failure, accelerates fuel-coolant mixing, and thus promotes an energetic FCI, or, conversely, (2) the trapped fission gas blankets the fuel and reduces the rate of heat transfer to sodium, preventing an energetic FCI.

Physical Description

52 p. : ill., charts, tables

Creation Information

Deitrich, L. W.; Dickerman, C. E.; Willis, F. L.; Purviance, R. T.; Schmidt, K. J.; Agrawal, A. K. et al. December 1977.

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  • Main Title: Test E3 on High-Energy Transient Meltdown of Irradiated UO₂ in a TREAT Mark-II Loop
  • Added Title: ANL (Series)
  • Added Title: Argonne National Laboratory Report ANL-77-94
  • Series Title: Argonne National Laboratory Reports

Description

Three ''gassy'' irradiated uranium dioxide pins were run past failure in a 35-ms natural TREAT transient in TREAT loop Test E3 to guide in choosing between two modeling assumptions regarding energy conversion from sodium vaporization in an irradiated-oxide-fuel/coolant interaction (FCI): (1) The trapped fission gas enhances fuel fragmentation upon failure, accelerates fuel-coolant mixing, and thus promotes an energetic FCI, or, conversely, (2) the trapped fission gas blankets the fuel and reduces the rate of heat transfer to sodium, preventing an energetic FCI.

Physical Description

52 p. : ill., charts, tables

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Digitized from microfiche (1).

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  • December 1977

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  • Aug. 4, 2015, 8:33 a.m.

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Deitrich, L. W.; Dickerman, C. E.; Willis, F. L.; Purviance, R. T.; Schmidt, K. J.; Agrawal, A. K. et al. Test E3 on High-Energy Transient Meltdown of Irradiated UO₂ in a TREAT Mark-II Loop, report, December 1977; Argonne, Illinois. (digital.library.unt.edu/ark:/67531/metadc283273/: accessed June 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.